/* style.css - 2026 世界盃預測遊戲自訂樣式 */

/* ── 分頁按鈕 ── */
.tab-btn {
  padding: 0.6rem 1.2rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #9ca3af;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
  cursor: pointer;
  background: transparent;
  border-top: none;
  border-left: none;
  border-right: none;
}
.tab-btn:hover { color: #f5f5f5; }
.tab-btn.tab-active {
  color: #fbbf24;
  border-bottom-color: #fbbf24;
}

/* ── 隊伍卡片 ── */
.team-card {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.65rem;
  border-radius: 0.5rem;
  background: #1f2937;
  border: 1.5px solid #374151;
  cursor: pointer;
  transition: all 0.12s;
  text-align: left;
  width: 100%;
  user-select: none;
}
.team-card:hover:not(.locked) {
  border-color: #6b7280;
  background: #273040;
}
.team-card.selected {
  background: #1a3a2a;
  border-color: #22c55e;
  box-shadow: 0 0 0 1px #22c55e44;
}
.team-card.selected .team-name {
  color: #86efac;
}
.team-card.locked {
  cursor: default;
  opacity: 0.7;
}

.flag {
  width: 28px;
  height: 20px;
  object-fit: cover;
  border-radius: 2px;
  flex-shrink: 0;
}

.team-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: #e5e7eb;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.team-rank {
  font-size: 0.7rem;
  color: #6b7280;
  flex-shrink: 0;
}

/* ── 分組佈局 (Stage 0) ── */
.groups-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}
@media (min-width: 640px) {
  .groups-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (min-width: 1024px) {
  .groups-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ── 階段 1-5 隊伍格 ── */
.teams-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}
@media (min-width: 480px) {
  .teams-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (min-width: 768px) {
  .teams-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}
@media (min-width: 1024px) {
  .teams-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

/* ── 階段區塊分隔線 ── */
.stage-section {
  border-top: 1px solid #374151;
  padding-top: 1.5rem;
}
.stage-section:first-child {
  border-top: none;
  padding-top: 0;
}

/* ── 提交按鈕 ── */
.btn-primary {
  background-color: #fbbf24;
  color: #111827;
}
.btn-primary:hover {
  background-color: #f59e0b;
}
.btn-disabled {
  background-color: #374151;
  color: #6b7280;
  cursor: not-allowed;
}

/* ── 排行榜表格 ── */
.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.leaderboard-table th {
  background: #1f2937;
  padding: 0.6rem 0.75rem;
  text-align: left;
  color: #9ca3af;
  font-weight: 600;
  border-bottom: 1px solid #374151;
}
.leaderboard-table td {
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid #1f2937;
}
.leaderboard-table tr:hover td {
  background: #1f2937;
}
.leaderboard-table tr.my-row td {
  background: #1a2f3a;
  color: #67e8f9;
}

/* ── 捲軸美化 ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #111827; }
::-webkit-scrollbar-thumb { background: #374151; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #4b5563; }